APA
(1965). Mannu Parisodhana. Kottayam: Rubber Research Institute of India.
Chicago
1965. Mannu Parisodhana. Kottayam: Rubber Research Institute of India.
Harvard
(1965). Mannu Parisodhana. Kottayam: Rubber Research Institute of India.
MLA
Mannu Parisodhana. Kottayam: Rubber Research Institute of India. 1965.